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Related papers: An Evaluation of OCR on Egocentric Data

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We combine three methods which significantly improve the OCR accuracy of OCR models trained on early printed books: (1) The pretraining method utilizes the information stored in already existing models trained on a variety of typesets…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Christian Reul , Uwe Springmann , Christoph Wick , Frank Puppe

Optical Character Recognition (OCR) systems have been widely used in various of application scenarios. Designing an OCR system is still a challenging task. In previous work, we proposed a practical ultra lightweight OCR system (PP-OCR) to…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Yuning Du , Chenxia Li , Ruoyu Guo , Cheng Cui , Weiwei Liu , Jun Zhou , Bin Lu , Yehua Yang , Qiwen Liu , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

There are many difficulties facing a handwritten Arabic recognition system such as unlimited variation in human handwriting, similarities of distinct character shapes, interconnections of neighbouring characters and their position in the…

Computer Vision and Pattern Recognition · Computer Science 2014-02-27 Ahmed Sahlol , Cheng Suen

New bounds on classification error rates for the error-correcting output code (ECOC) approach in machine learning are presented. These bounds have exponential decay complexity with respect to codeword length and theoretically validate the…

Machine Learning · Computer Science 2021-09-21 Hieu D. Nguyen , Mohammed Sarosh Khan , Nicholas Kaegi , Shen-Shyang Ho , Jonathan Moore , Logan Borys , Lucas Lavalva

A common approach for improving OCR quality is a post-processing step based on models correcting misdetected characters and tokens. These models are typically trained on aligned pairs of OCR read text and their manually corrected…

Computation and Language · Computer Science 2019-06-27 Kai Hakala , Aleksi Vesanto , Niko Miekka , Tapio Salakoski , Filip Ginter

Optical Character Recognition (OCR) systems often introduce errors when transcribing historical documents, leaving room for post-correction to improve text quality. This study evaluates the use of open-weight LLMs for OCR error correction…

Computation and Language · Computer Science 2025-02-04 Jenna Kanerva , Cassandra Ledins , Siiri Käpyaho , Filip Ginter

The simulation of electric rotating machines is both computationally expensive and memory intensive. To overcome these costs, model order reduction techniques can be applied. The focus of this contribution is especially on machines that…

Numerical Analysis · Mathematics 2017-05-11 Zeger Bontinck , Oliver Lass , Sebastian Schöps , Oliver Rain

We introduce ABot-OCR, an end-to-end vision-language model that transcribes a page image directly into clean Markdown in a single forward pass. By doing so, our approach completely eliminates the need for brittle modular orchestration. To…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Kaitao Jiang , Ruiyan Gong , Xiaolong Cheng , Kangning Niu , Tianlun Li , Mu Xu

This paper proposes a new method, OFA-OCR, to transfer multimodal pretrained models to text recognition. Specifically, we recast text recognition as image captioning and directly transfer a unified vision-language pretrained model to the…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Junyang Lin , Xuancheng Ren , Yichang Zhang , Gao Liu , Peng Wang , An Yang , Chang Zhou

In order to apply Optical Character Recognition (OCR) to historical printings of Latin script fully automatically, we report on our efforts to construct a widely-applicable polyfont recognition model yielding text with a Character Error…

Computer Vision and Pattern Recognition · Computer Science 2021-06-16 Christian Reul , Christoph Wick , Maximilian Nöth , Andreas Büttner , Maximilian Wehner , Uwe Springmann

The proliferation of commercial egocentric devices offers a unique lens into human behavior, yet reconstructing full-body 3D motion remains difficult due to frequent self-occlusion and the 'out-of-sight' nature of the wearer's limbs. While…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Kyungwon Cho , Hanbyul Joo

Detecting manipulations in digital documents is becoming increasingly important for information verification purposes. Due to the proliferation of image editing software, altering key information in documents has become widely accessible.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Hailey Joren , Otkrist Gupta , Dan Raviv

Tomography can be used to reveal internal properties of a 3D object using any penetrating wave. Advanced tomographic imaging techniques, however, are vulnerable to both systematic and random errors associated with the experimental…

Numerical Analysis · Mathematics 2019-02-08 Anthony P. Austin , Zichao Wendy Di , Sven Leyffer , Stefan M. Wild

Humans can perform previously unexperienced interactions with novel objects simply by observing others engage with them. Weakly-supervised affordance grounding mimics this process by learning to locate object regions that enable actions on…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Jiajin Tang , Zhengxuan Wei , Ge Zheng , Sibei Yang

Information Extraction from visually rich documents is a challenging task that has gained a lot of attention in recent years due to its importance in several document-control based applications and its widespread commercial value. The…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Mohamed Dhouib , Ghassen Bettaieb , Aymen Shabou

Linked Data is used in various fields as a new way of structuring and connecting data. Cultural heritage institutions have been using linked data to improve archival descriptions and facilitate the discovery of information. Most archival…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Mariana Dias , Carla Teixeira Lopes

Recent studies have shown that the environment where people eat can affect their nutritional behaviour. In this work, we provide automatic tools for a personalised analysis of a person's health habits by the examination of daily recorded…

Computer Vision and Pattern Recognition · Computer Science 2019-05-13 Estefania Talavera , Maria Leyva-Vallina , Md. Mostafa Kamal Sarker , Domenec Puig , Nicolai Petkov , Petia Radeva

Commercial OCR packages work best with high-quality scanned images. They often produce poor results when the image is degraded, either because the original itself was poor quality, or because of excessive photocopying. The ability to…

Digital Libraries · Computer Science 2007-05-23 Roger T. Hartley , Kathleen Crumpton

Egocentric vision consists in acquiring images along the day from a first person point-of-view using wearable cameras. The automatic analysis of this information allows to discover daily patterns for improving the quality of life of the…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Marc Bolaños , Álvaro Peris , Francisco Casacuberta , Sergi Soler , Petia Radeva

Visual affordance learning is a key component for robots to understand how to interact with objects. Conventional approaches in this field rely on pre-defined objects and actions, falling short of capturing diverse interactions in realworld…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Tomoya Yoshida , Shuhei Kurita , Taichi Nishimura , Shinsuke Mori
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